kc3-lang/angle/src/libANGLE/renderer/wgpu/ImageWgpu.h

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• Hash : 3cf7a604
  Author :
  Date : 2025-05-17T19:39:08
  

  WebGPU: Add extensions for importing external textures
  
  Add EGL_ANGLE_device_webgpu which exposes the adapter and device used
  by ANGLE internally.
  
  Add EGL_ANGLE_webgpu_texture_client_buffer which allows importing
  external WGPUTexture handles if they share the same device as ANGLE
  (queried from EGL_ANGLE_device_webgpu).
  
  Bug: angleproject:418022112
  Change-Id: I0683d36b84a0f8e0e9b68a5ec0d3aa8b7a95152c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6553063
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/wgpu/ImageWgpu.h

• //
  // Copyright 2024 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // ImageWgpu.h:
  //    Defines the class interface for ImageWgpu, implementing ImageImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_WGPU_IMAGEWGPU_H_
  #define LIBANGLE_RENDERER_WGPU_IMAGEWGPU_H_
  
  #include "libANGLE/AttributeMap.h"
  #include "libANGLE/renderer/ImageImpl.h"
  #include "libANGLE/renderer/wgpu/wgpu_helpers.h"
  
  namespace rx
  {
  class ExternalImageSiblingWgpu : public ExternalImageSiblingImpl
  {
    public:
      ExternalImageSiblingWgpu() {}
      ~ExternalImageSiblingWgpu() override {}
  
      virtual webgpu::ImageHelper *getImage() const = 0;
  };
  
  class WebGPUTextureImageSiblingWgpu : public ExternalImageSiblingWgpu
  {
    public:
      WebGPUTextureImageSiblingWgpu(EGLClientBuffer buffer, const egl::AttributeMap &attribs);
      ~WebGPUTextureImageSiblingWgpu() override;
  
      egl::Error initialize(const egl::Display *display) override;
      void onDestroy(const egl::Display *display) override;
  
      // ExternalImageSiblingImpl interface
      gl::Format getFormat() const override;
      bool isRenderable(const gl::Context *context) const override;
      bool isTexturable(const gl::Context *context) const override;
      bool isYUV() const override;
      bool hasFrontBufferUsage() const override;
      bool isCubeMap() const override;
      bool hasProtectedContent() const override;
      gl::Extents getSize() const override;
      size_t getSamples() const override;
      uint32_t getLevelCount() const override;
  
      webgpu::ImageHelper *getImage() const override;
  
    private:
      angle::Result initializeImpl(const egl::Display *display);
  
      EGLClientBuffer mBuffer = nullptr;
      egl::AttributeMap mAttribs;
      webgpu::ImageHelper mImage;
  };
  
  class ImageWgpu : public ImageImpl
  {
    public:
      ImageWgpu(const egl::ImageState &state, const gl::Context *context);
      ~ImageWgpu() override;
      egl::Error initialize(const egl::Display *display) override;
  
      angle::Result orphan(const gl::Context *context, egl::ImageSibling *sibling) override;
  
      webgpu::ImageHelper *getImage() const { return mImage; }
  
    private:
      bool mOwnsImage             = false;
      webgpu::ImageHelper *mImage = nullptr;
  
      const gl::Context *mContext = nullptr;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_WGPU_IMAGEWGPU_H_
  

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